{"product_id":"robbjack-sr-4-031-square-end-mill-1-32-in-4-flute-carbide","title":"Robbjack SR-4-031 Square End Mill 1\/32 in 4 Flute Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ROBBJACK SR-4-031 is a solid carbide square end mill from the SR-4 series, designed for precision milling in demanding cutting applications. It features a 1\/32-inch (0.031-inch) mill diameter with a 0.093-inch length of cut and a 1\/8-inch straight cylindrical shank, making it well suited for fine detail work in tight cavities. The 4-flute, right-hand spiral geometry with a 30-degree helix angle promotes efficient chip evacuation while delivering a smooth finish. Centercutting capability allows direct plunge entry. Machinists and CNC operators working with ferrous and non-ferrous materials will find this tool reliable for small-feature milling where dimensional accuracy is critical.\u003c\/p\u003e\u003cp\u003eThis end mill is intended for use in CNC machining centers and manual mills requiring small-diameter tooling. Its regular-length profile and 1-1\/2-inch overall length suit benchtop and production setups where reach is limited and rigidity is a priority. The uncoated solid carbide construction in the Tuffy material grade provides good wear resistance for general-purpose milling across a range of workpiece materials. It is appropriate for use in tool and die, mold making, electronics, and precision part manufacturing environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1\/32-inch mill diameter with plus or minus 0.0005-inch diameter tolerance for tight dimensional control\u003c\/li\u003e\n\u003cli\u003e4-flute right-hand spiral with 30-degree helix angle for efficient chip flow and surface finish\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows direct plunge milling without a pre-drilled entry hole\u003c\/li\u003e\n\u003cli\u003eSolid carbide Tuffy-grade construction delivers hardness and wear resistance in demanding cuts\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical 1\/8-inch shank fits standard collets with a shank tolerance of -0.0001 to -0.0002 inches\u003c\/li\u003e\n\u003cli\u003eUncoated finish suitable for general-purpose applications across ferrous and non-ferrous materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-fit tooling option for CNC machining centers and manual mills accepting a 1\/8-inch straight cylindrical shank collet.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC setup technician. Ensure the machine spindle is fully stopped and all motion axes are locked before changing tooling. Seat the shank fully and evenly in a matched collet to the specified shank diameter to avoid runout. Verify tool projection and clearance against the workpiece fixture before initiating a cutting program.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 1\/32 inch (0.031 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.0005 \/ -0.0005 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.093 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/8 inch (0.125 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 \/ -0.0002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length Tolerance\u003c\/strong\u003e: +0.060 \/ -0.060 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 30 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Tuffy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: SR-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0625 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ROBBJACK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: SR-4-031\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROBBJACK","offers":[{"title":"Default Title","offer_id":52108266209586,"sku":"SR-4-031","price":48.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/338e2279515db76998518250c39ea3ec_42b8d001-e957-4bfd-aa71-a62c7abe2351.jpg?v=1790074771","url":"https:\/\/voomisupply.com\/products\/robbjack-sr-4-031-square-end-mill-1-32-in-4-flute-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}